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redis/examples/stl.cpp
2022-05-25 21:43:37 +02:00

106 lines
2.5 KiB
C++

/* Copyright (c) 2018-2022 Marcelo Zimbres Silva (mzimbres@gmail.com)
*
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE.txt)
*/
#include <map>
#include <set>
#include <vector>
#include <iostream>
#include <boost/asio.hpp>
#include <aedis/aedis.hpp>
#include <aedis/src.hpp>
#include "print.hpp"
namespace net = boost::asio;
using aedis::adapter::adapt;
using aedis::adapter::adapter_t;
using aedis::redis::command;
using aedis::generic::request;
using connection = aedis::generic::connection<command>;
using node_type = aedis::resp3::node<boost::string_view>;
using error_code = boost::system::error_code;
// Response types we use in this example.
using T0 = std::vector<aedis::resp3::node<std::string>>;
using T1 = std::set<std::string>;
using T2 = std::map<std::string, std::string>;
// Some containers we will store in Redis as example.
std::vector<int> vec
{1, 2, 3, 4, 5, 6};
std::set<std::string> set
{"one", "two", "three", "four"};
std::map<std::string, std::string> map
{ {"key1", "value1"}
, {"key2", "value2"}
, {"key3", "value3"}
};
struct adapter {
public:
adapter(T0& resp0, T1& resp1, T2& resp2)
: adapter0_{adapt(resp0)}
, adapter1_{adapt(resp1)}
, adapter2_{adapt(resp2)}
{ }
void operator()(command cmd, node_type const& nd, error_code& ec)
{
switch (cmd) {
case command::lrange: adapter0_(nd, ec); break;
case command::smembers: adapter1_(nd, ec); break;
case command::hgetall: adapter2_(nd, ec); break;
default:;
}
}
private:
adapter_t<T0> adapter0_;
adapter_t<T1> adapter1_;
adapter_t<T2> adapter2_;
};
auto on_run =[](auto ec)
{
std::printf("Run: %s\n", ec.message().data());
};
auto on_exec = [](auto ec, std::size_t read_size)
{
std::printf("Exec: %s %lu\n", ec.message().data(), read_size);
};
int main()
{
T0 resp0;
T1 resp1;
T2 resp2;
net::io_context ioc;
connection db{ioc.get_executor(), adapter{resp0, resp1, resp2}};
request<command> req;
req.push_range(command::rpush, "rpush-key", vec);
req.push_range(command::sadd, "sadd-key", set);
req.push_range(command::hset, "hset-key", map);
req.push(command::lrange, "rpush-key", 0, -1);
req.push(command::smembers, "sadd-key");
req.push(command::hgetall, "hset-key");
req.push(command::quit);
db.async_exec(req, on_exec);
db.async_run(on_run);
ioc.run();
print_and_clear_aggregate(resp0);
print_and_clear(resp1);
print_and_clear(resp2);
}